<template>
  <div>
    <h3>ABC 按钮和输入框互斥效果</h3>
    <input type="text" v-if="falg" @blur="falg = false">
    <button v-else @click="falg = true">按钮</button>
  </div>
</template>

<script>
export default {
  data() {
    return {
      falg: true
    }
  }
}
</script>

<style>

</style>